The Washer,spring Tension, cataloged under National Stock Number 5310-00-772-4066, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-772-4066 |
| Primary Part Number | 04-28989C01 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Outside Diameter | 0.438 INCHES NOMINAL IN |
| Material Thickness | 0.008 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.261 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 04-28989C01 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 04-28989C01 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-772-4066 is a Washer,spring Tension, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-772-4066 has 1 manufacturer part number on file: 04-28989C01 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 04-28989C01: Overall Height: 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Outside Diameter: 0.438 INCHES NOMINAL IN; Material Thickness: 0.008 INCHES NOMINAL IN; Surface Treatment: SILVER OVERALL. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.